//
//  AppDelegate.h
//  tangshantongjiAPP
//
//  Created by yuntai on 2018/4/2.
//  Copyright © 2018年 yuntai. All rights reserved.
//

#import <UIKit/UIKit.h>

@interface AppDelegate : UIResponder <UIApplicationDelegate>

@property (strong, nonatomic) UIWindow *window;
+ (AppDelegate *)appDelegate;
- (UIViewController *)changeRootViewController;

@end

